As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED THAT DURING FLIGHT OF A "STAB ANTI-ICE INOP/FAIL" ANNUNCIATOR ILLUMINATING. OPERATIONS WERE CONTINUED PER MEL 30-10-02. THE MAINTENANCE TEAM TROUBLESHOT AND VERIFIED THE RIGHT ELEVATOR HORN HEATER WAS INOP. THE DEFECTIVE HEATED HORN WAS REMOVED AND A REPAIRED UNIT WAS INSTALLED. OPS CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE